Setup deployment on crates.io

.travis.yml

@@ -3,6 +3,7 @@ language: rust
 env:
   global:
     - secure: "FfubMXYXu2e7chvdfKBkc+aKPkvoBOb5Idg0KCYuD++qPFIBYg6pUE8H8WvU+V7RsEBu5vshhn3dzjkKs+LXIdo5PQUMZutAgy83g5SGxRn8Ra79GjBVBs6+XOEhFun/+7fGj2Ly/AK6BTDpqyYAhAUS7jIaF6/+JWNwPwEYfdQ="
+    - secure: "kVjHgK+6ivT5tUleNH/m6+69tPf8gkPNSPLsnXrkMJaIeXSnnKKQegP1O0UCThYAUbbwrUGlrKJUngDxkD8jSANhzAULX9t1iXho41InzYBEErTanXBYF8WO1rK1keKjLwiYw4KuvbiBoSeKabzQRwv0kMttxY57+hKVROr5dSg="
 
 install:
   - sudo apt-get install libXxf86vm-dev libosmesa6-dev
@@ -16,7 +17,8 @@ os:
   - linux
   - osx
 
-after_success: |
+after_success: 
+  -|
     [ $TRAVIS_BRANCH = master ] &&
     [ $TRAVIS_PULL_REQUEST = false ] &&
     cargo doc --features "window headless" &&
@@ -24,3 +26,8 @@ after_success: |
     sudo pip install ghp-import &&
     ghp-import -n target/doc &&
     git push -fq https://${GH_TOKEN}@github.com/${TRAVIS_REPO_SLUG}.git gh-pages
+  - |
+    [ $TRAVIS_BRANCH = master ] &&
+    [ $TRAVIS_PULL_REQUEST = false ] &&
+    patch Cargo.toml < preupload.patch &&
+    cargo publish --token ${CRATESIO_TOKEN}